mk1493-14 Integrated Device Technology, mk1493-14 Datasheet - Page 2

• Manufacturer Part Number: mk1493-14
• Description: Spread Spectrum Clock Generator
• Manufacturer: Integrated Device Technology

Pin Assignment
Pin Descriptions
IDT™ / ICS™ SPREAD SPECTRUM CLOCK GENERATOR
MK1493-14
SPREAD SPECTRUM CLOCK GENERATOR
OE100M/25M
F100MD_DN
F100MC_DP
F100MC_DN
F100MD_DP
Number
X1/ ICLK
F25MA
Pin
F25MB
10
11
12
13
14
15
16
17
18
19
1
2
3
4
5
6
7
8
9
GND
GND
VDD
VDD
GND
X2
OE100M/25M
F100MC_DN
F100MD_DN
F100MC_DP
F100MD_DP
F100MB_DN
F100MB_DP
F100MA_DN
F100MA_DP
10
11
12
13
14
1
2
3
4
5
6
7
8
9
GND100M
X1/ICLK
F25MA
F25MB
Name
GND
GND
VDD
VDD
VDD
Pin
X2
28
27
26
25
24
23
22
21
20
19
18
17
16
15
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Power
Power
Power
Power
Power
Power
Type
Input
Input
Pin
SMB _CLK
F27M
GND
F100MA_DN
SMB _DATA
F48M
VDD
VDD
GND
F100MA_DP
VDD
F100MB_DP
F100MB_DN
RSET
Connect to voltage supply +3.3 V.
Crystal or clock input. Connect to a 27 MHz crystal or single ended clock.
Crystal connection. Leave unconnected for clock input.
Connect to ground.
Connect to voltage supply +3.3 V.
25 MHz Ethernet clock output. Internal pull-down resistor.
25 MHz Ethernet clock output. Internal pull-down resistor.
Output Enable for F100Mx and F25Mx clocks. Internal pull-down resistor.
OE100M/25M = 1 enables all outputs. See Table 1.
Connect to ground.
100 MHz differential clock (+), small spread.
100 MHz differential clock (-), small spread.
Connect to ground.
100 MHz differential clock (+), small spread.
100 MHz differential clock (-), small spread.
100 MHz differential clock (-), small spread.
100 MHz differential clock (+), small spread.
Connect to voltage supply +3.3 V
100 MHz differential clock (-), small spread.
100 MHz differential clock (+), small spread.
2
Pin Description
MK1493-14
REV A 082205
SSCG